Merge pull request #196 from olt/doc-non-capture-groups

document non-capturing groups (closes #143)
This commit is contained in:
Kamil Kisiel
2016-09-20 16:08:13 -07:00
committed by GitHub

4
doc.go
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@@ -47,6 +47,10 @@ variable will be anything until the next slash. For example:
r.HandleFunc("/articles/{category}/", ArticlesCategoryHandler) r.HandleFunc("/articles/{category}/", ArticlesCategoryHandler)
r.HandleFunc("/articles/{category}/{id:[0-9]+}", ArticleHandler) r.HandleFunc("/articles/{category}/{id:[0-9]+}", ArticleHandler)
Groups can be used inside patterns, as long as they are non-capturing (?:re). For example:
r.HandleFunc("/articles/{category}/{sort:(?:asc|desc|new)}", ArticlesCategoryHandler)
The names are used to create a map of route variables which can be retrieved The names are used to create a map of route variables which can be retrieved
calling mux.Vars(): calling mux.Vars():